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Jev directory
CommunityJev Tools & CLIs
jev CLI for OpenRouter
A Rust command-line interface for OpenRouter's Jev decision model. Each command sends one state and one typed question to the Decisions API, validates the returned answer against that question, and writes JSON for scripts and agents.
- Stars
- 0
- Language
- Rust
- License
- MIT
- Reading time
- 2 min
- Published by
- Community
- Author
- tyrchen
- Last verified
- Oct 2026
Used inJev for Software & DevTools
- Languages
- Rust
- Platforms
- CLIOpenRouter
- Capabilities
- Open sourceRequires API key
Highlights
- Supports all three Jev question types: Noul (a probability), Choice (one option with probabilities and confidence) and Score (ordered levels).
- Validates the API response against the requested question type; a successful command means a valid answer exists, which for Noul can still be negative.
- Default model is typesafe/jev-1.13, overridable with --model; model IDs allow letters, digits and / . : _ - ~ characters, never whitespace.
- Calls are billed to the OpenRouter account behind OPENROUTER_API_KEY; install with cargo install --path apps/cli, then use jev --help.
Quickstart
bash
export OPENROUTER_API_KEY="sk-or-..."
cargo run -p jev-cli -- --helpWatch out
README reviewed 2026-10-17; the captured text ends mid-sentence in the --model section, so JSON output shape, error handling, tests and release artifacts are not visible. MIT-licensed with 0 stars.
Questions about this entry
Short answers drawn from the linked project or page.
A Rust command-line interface for OpenRouter's Jev decision model that sends one state and one typed question per command and writes JSON output for scripts and agents.
Jev's three: Noul asks whether a condition holds and returns a probability; Choice selects one submitted option with probabilities and confidence; Score places the state on an ordered scale with a weighted score.
Export an OpenRouter API key, then run cargo run -p jev-cli -- --help from the workspace, or install the executable locally with cargo install --path apps/cli and use jev --help.
That the API response contains a valid answer for the requested question type. For Noul it does not mean the answer is positive.
The default is typesafe/jev-1.13, overridable with --model; model IDs may contain ASCII letters, digits and slash, dot, colon, underscore, hyphen or tilde characters, never whitespace.
Calls are billed to the OpenRouter account associated with OPENROUTER_API_KEY, which the tool reads from the environment.
The excerpt ends mid-sentence in the --model section, so output JSON shape, error handling, tests and release artifacts beyond MIT licensing are not visible.
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